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    <script src="//cdn.bootcss.com/jquery/1.11.3/jquery.min.js"></script>
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    <title>CCQ</title>
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<body onload="submit()">
</body>
<script type="application/javascript">
    function submit() {
        alert("小Q");
        alert("一个人闷不");
        alert("我偷拍了一张你的照片，想看么？");
        document.body.style.backgroundImage="URL(https:mingpingqiang.top/group1/M00/00/00/rBCSWVsZ4gOAabxdAAE0jTtfkbU936.jpg)";
        document.body.style.backgroundSize="cover";
        setTimeout(function(){alert("好看吧，就是天黑了，没光，我调亮了一下")},5000);
        setTimeout(function(){alert("让我猜猜你在干啥呢")},7000);
        setTimeout(function(){alert("你在看手机")},8000);
        setTimeout(function(){alert("怕你一个人闷，逗你了一下，不知道是否成功没")},9000);
    }
</script>
</html>